/Engine/Source/Runtime/Engine/Classes/Kismet/KismetStringLibrary.h
Convert String Back To Color. IsValid indicates whether or not the string could be successfully converted.
static void Conv_StringToColor ( const [FString](API\Runtime\Core\Containers\FString) & InString, [FLinearColor](API\Runtime\Core\Math\FLinearColor) & OutConvertedColor, bool & OutIsValid )